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參數資料
| 型號： | AD8131 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low-Cost, High-Speed Differential Driver |
| 中文描述： | LINE DRIVER |
| 文件頁數： | 1/12頁 |
| 文件大小： | 197K |
| 代理商： | AD8131 |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD8131
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
Low-Cost, High-Speed
Differential Driver
FUNCTIONAL BLOCK DIAGRAM
1
8 +D
IN
–D
IN
2
7
NC
V
OCM
3
6
V+
V–
4
5
–OUT
+OUT
AD8131
NC = NO CONNECT
1.5k
V
1.5k
V
750
V
750
V
FEATURES
High Speed
400 MHz –3 dB Full Power Bandwidth
2000 V/
m
s Slew Rate
Fixed Gain of 2 with No External Components
Internal Common-Mode Feedback to Improve Gain
and Phase Balance
–60 dB @10 MHz
Separate Input to Set the Common-Mode Output
Voltage
Low Distortion
68 dB SFDR @ 5 MHz 200
V
Load
Low Power 7.5 mA @ 3 V
Power Supply Range +2.7 V to
6
5 V
APPLICATIONS
Video Line Driver
Digital Line Driver
Low Power Differential ADC Driver
Differential In/Out Level Shifting
Single-Ended Input to Differential Output Driver
GENERAL DESCRIPTION
The AD8131 is a differential or single-ended input to differen-
tial output driver requiring no external components for a fixed
gain of 2. The AD8131 is a major advancement over op amps
for driving signals over long lines or for driving differential input
ADCs. The AD8131 has a unique internal feedback feature that
provides output gain and phase matching that are balanced to
–60 dB at 10 MHz, reducing radiated EMI and suppressing
harmonics. Manufactured on ADI’s next generation XFCB
bipolar process, the AD8131 has a –3 dB bandwidth of 400 MHz
and delivers a differential signal with very low harmonic distortion.
The AD8131 is a differential driver for the transmission of
high-speed signals over low-cost twisted pair or coax cables.
The AD8131 can be used for either analog or digital video
signals or for other high-speed data transmission. The AD8131
driver is capable of driving either Cat3 or Cat5 twisted pair or coax
with minimal line attenuation. The AD8131 has considerable
cost and performance improvements over discrete line driver
solutions.
The AD8131 can replace transformers in a variety of applica-
tions preserving low frequency and dc information. The AD8131
does not have the susceptibility to magnetic interference and
hysteresis of transformers, while being smaller in size, easier
to work with, and has the high reliability associated with ICs.
The AD8131’s differential output also helps balance the input
for differential ADCs, optimizing the distortion performance of
the ADCs. The common-mode level of the differential output
is adjustable by a voltage on the V
OCM
pin, easily level-shifting
the input signals for driving single supply ADCs with dual supply
signals. Fast overload recovery preserves sampling accuracy.
The AD8131 will be available in both SOIC and
μ
SOIC packages
for operation over –40
8
C to +85
8
C.
FREQUENCY – MHz
B
–801
1000
–40
10
100
–20
–30
–50
–60
–70
D
V
OUT
,dm = 2V p-p
D
V
OUT
,cm/
D
V
OUT
, dm
V
S
= +5V
V
S
=
6
5V
Figure 1. Output Balance Error vs. Frequency
相關PDF資料 |
PDF描述 |
|---|---|
| AD8131-EVAL | Low-Cost, High-Speed Differential Driver |
| AD8131AR | Low-Cost, High-Speed Differential Driver |
| AD8131AR-REEL7 | Low-Cost, High-Speed Differential Driver |
| AD8131ARM | Low-Cost, High-Speed Differential Driver |
| AD8131ARM-REEL | Low-Cost, High-Speed Differential Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8131_05 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, High Speed Differential Driver |
| AD8131AR | 功能描述:IC AMP DIFF LDIST 60MA 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數:4 輸出類型:滿擺幅 轉換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應商設備封裝:16-DFN-EP（5x3） 包裝:管件 |
| AD8131AR-EBZ | 功能描述:BOARD EVAL FOR AD8131AR RoHS:是 類別:編程器，開發系統 >> 評估板 - 運算放大器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AD8131ARM | 功能描述:IC AMP DIFF LDIST 60MA 8MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數:4 輸出類型:滿擺幅 轉換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應商設備封裝:16-DFN-EP（5x3） 包裝:管件 |
| AD8131ARM-EBZ | 功能描述:BOARD EVAL FOR AD8131ARM RoHS:是 類別:編程器，開發系統 >> 評估板 - 運算放大器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
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